Finding the Fourth Proportional to 6,618,546.06, 9,132,598.44 and 3,717,381.12
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Solution
The fourth proportional to 6,618,546.06, 9,132,598.44 and 3,717,381.12 is: 5,129,427.02
Step by Step Solution
- Step 1: Write the proportion equation
6,618,546.06 : 9,132,598.44 = 3,717,381.12 : x - Step 2: Convert to fraction form
6,618,546.06/9,132,598.44 = 3,717,381.12/x - Step 3: Cross multiply
6,618,546.06x = 9,132,598.44 × 3,717,381.12 - Step 4: Simplify right side
6,618,546.06x = 33,949,349,017,397.45 - Step 5: Solve for x
x = 33,949,349,017,397.45/6,618,546.06 - Step 6: Final answer
x = 5,129,427.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.